Deci Duel

The real voice-volume showdown — DeciDuel! Shout, measure, and win! DeciDuel is a voice battle game where you compete head-to-head using your phone's microphone to measure decibels (dB) in real time. ■ Real-Time 1v1 Voice Duels - Challenge friends or get matched with players worldwide - Compete across 3 rounds — loudest voice wins - Live waveform visuals and dB readouts keep every round intense ■ Solo Measure Mode - Shout for 5 seconds to record your personal best dB - Instantly compare your best, latest, and previous scores - Practice daily and push past your own limits ■ Voice Diary - Every measurement is automatically logged to your calendar - Color-coded dB levels show your daily condition at a glance - Monthly stats (days recorded, average/highest dB) track your growth ■ Global Leaderboard - Compete against players around the world - Climb to #1 and show off your record to friends ■ Quick & Easy Sign-In - Sign in instantly with Apple, Google, or Kakao - No complicated setup — start shouting in seconds Whether you're blowing off steam or hosting a fun party game with friends, DeciDuel turns your voice into the ultimate competition. Shout it. Measure it. Win it. — DECIDUEL